Have you cleaned your DPF injector? My check engine light came on and the code was for P02EE. Took off the injector and cleaned it as it was caked! Light turned off after 20 miles of driving.
I just cleaned the injector, the DPF opening wasn't dirty.
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Also, found this:
I'll let...
That’s what I’m gonna have to do! Good thing it has only happened these past two weeks in the heat! No issues when traveling 80+ as I was doing that on the big hill from LA to Vegas with no power reduction.
Same thing happened to me! This just from the heat? I live in Tucson and same thing happened after I came back from Las Vegas and then a 2nd time after Phoenix. Only 2+ hour trips and only if I take off immediately after starting it up.